@media (min-width:0px){
    html{font-size:12px;}
}
@media (min-width: 320px){
    html{font-size:12px;}
}
@media (min-width: 340px){
    html{font-size:13px;}
}
@media (min-width: 360px){
    html{font-size:14px;}
}
@media (min-width: 380px){
    html{font-size:15px;}
}
@media (min-width: 400px){
    html{font-size:15px;}
}
@media (min-width: 420px){
    html{font-size:16px;}
}
*{
    margin: 0;
    padding: 0;
}

.big{
    width: 100%;
    position: relative;
}
.about{
    width: 100%;
    margin-top: 1rem;
    position: relative;
}
.about img{
    float: left;
    position: absolute;
    top:5px;
    left: 10px;

}
.about p{
    text-align: center;
    font-family:PingFang-SC-Medium;
    font-weight:500;
    color:rgba(0,0,0,1);
    font-size: 1.2rem;
}
.hr2{
    width: 100%;
    margin-top: 1.1rem;
    height: 1.1rem;
    background: #F7F9FA;
}
.textarea{
    width: 100%;
    border: none;
    height: 8rem;
    margin-top: 1rem;
    font-size: 1rem;
}
.lianxi{
    width: 100%;
    height: 40px;

}
.lianxi a{
    float: left;
    line-height: 55px;
    margin-left: 2rem;
}
.phone{
    width: 200px;
    border: none;
    margin-top: 1.4rem;
    margin-left: 2rem;
}
#submit{
    width: 80%;
    height: 3rem;
    background: #2B9FFF;
    border: none;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 2.5rem;
    margin-left: 2.5rem;
    border-radius:8px;
}